| //@ build-pass |
| //@ compile-flags: --crate-type lib |
| |
| // Regression test for ICE which occurred when const propagating an enum with three variants |
| // one of which is uninhabited. |
| |
| pub enum ApiError {} |
| #[allow(dead_code)] |
| pub struct TokioError { |
| b: bool, |
| } |
| pub enum Error { |
| Api { |
| source: ApiError, |
| }, |
| Ethereum, |
| Tokio { |
| source: TokioError, |
| }, |
| } |
| struct Api; |
| impl IntoError<Error> for Api |
| { |
| type Source = ApiError; |
| fn into_error(self, error: Self::Source) -> Error { |
| Error::Api { |
| source: (|v| v)(error), |
| } |
| } |
| } |
| |
| pub trait IntoError<E> |
| { |
| /// The underlying error |
| type Source; |
| |
| /// Combine the information to produce the error |
| fn into_error(self, source: Self::Source) -> E; |
| } |
